John XXIII, P. (1960). Christmas message 1959. National Catholic Welfare Conference.
Chicago Style (17th ed.) CitationJohn XXIII, Pope. Christmas Message 1959. Washington, D.C.: National Catholic Welfare Conference, 1960.
Cita MLAJohn XXIII, Pope. Christmas Message 1959. National Catholic Welfare Conference, 1960.
Atenció: Aquestes cites poden no estar 100% correctes.